matrix determinant

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matrix determinant

Postby vish108 » Thu Feb 06, 2014 5:28 pm

Is there a magma function for calculating the determinant of a matrix?
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Re: matrix determinant

Postby mgates3 » Thu Feb 06, 2014 6:53 pm

No. Why do you want the determinant?
While useful for theory, it is rarely advisable to calculate the determinant.

However, you can use getrf to compute the LU decomposition, from which the determinant is easily computed.
See http://en.wikipedia.org/wiki/Determinant#Calculation
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